Home / 8,789.28-13,186.20-4,628.22

Finding the Fourth Proportional to 8,789.28, 13,186.20 and 4,628.22

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Solution

The fourth proportional to 8,789.28, 13,186.20 and 4,628.22 is: 6,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.28 : 13,186.20 = 4,628.22 : x
  2. Step 2: Convert to fraction form
    8,789.28/13,186.20 = 4,628.22/x
  3. Step 3: Cross multiply
    8,789.28x = 13,186.20 × 4,628.22
  4. Step 4: Simplify right side
    8,789.28x = 61,028,634.56
  5. Step 5: Solve for x
    x = 61,028,634.56/8,789.28
  6. Step 6: Final answer
    x = 6,943.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.